Finding the Fourth Proportional to 387,237.12, 580,884.48 and 150,478.08
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Solution
The fourth proportional to 387,237.12, 580,884.48 and 150,478.08 is: 225,728.31
Step by Step Solution
- Step 1: Write the proportion equation
387,237.12 : 580,884.48 = 150,478.08 : x - Step 2: Convert to fraction form
387,237.12/580,884.48 = 150,478.08/x - Step 3: Cross multiply
387,237.12x = 580,884.48 × 150,478.08 - Step 4: Simplify right side
387,237.12x = 87,410,381,252.20 - Step 5: Solve for x
x = 87,410,381,252.20/387,237.12 - Step 6: Final answer
x = 225,728.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.